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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * Copyright © 2019 Macronix4 * Author: Miquèl Raynal <miquel.raynal@bootlin.com>5 *6 * Header for the Macronix external ECC engine.7 */8 9#ifndef __MTD_NAND_ECC_MXIC_H__10#define __MTD_NAND_ECC_MXIC_H__11 12#include <linux/platform_device.h>13#include <linux/device.h>14 15struct mxic_ecc_engine;16 17#if IS_ENABLED(CONFIG_MTD_NAND_ECC_MXIC) && IS_REACHABLE(CONFIG_MTD_NAND_CORE)18 19struct nand_ecc_engine_ops *mxic_ecc_get_pipelined_ops(void);20struct nand_ecc_engine *mxic_ecc_get_pipelined_engine(struct platform_device *spi_pdev);21void mxic_ecc_put_pipelined_engine(struct nand_ecc_engine *eng);22int mxic_ecc_process_data_pipelined(struct nand_ecc_engine *eng,23 unsigned int direction, dma_addr_t dirmap);24 25#else /* !CONFIG_MTD_NAND_ECC_MXIC */26 27static inline struct nand_ecc_engine_ops *mxic_ecc_get_pipelined_ops(void)28{29 return NULL;30}31 32static inline struct nand_ecc_engine *33mxic_ecc_get_pipelined_engine(struct platform_device *spi_pdev)34{35 return ERR_PTR(-EOPNOTSUPP);36}37 38static inline void mxic_ecc_put_pipelined_engine(struct nand_ecc_engine *eng) {}39 40static inline int mxic_ecc_process_data_pipelined(struct nand_ecc_engine *eng,41 unsigned int direction,42 dma_addr_t dirmap)43{44 return -EOPNOTSUPP;45}46 47#endif /* CONFIG_MTD_NAND_ECC_MXIC */48 49#endif /* __MTD_NAND_ECC_MXIC_H__ */50